1340224203 has 4 divisors (see below), whose sum is σ = 1786965608. Its totient is φ = 893482800.

The previous prime is 1340224139. The next prime is 1340224219. The reversal of 1340224203 is 3024220431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1340224203 - 2⁶ = 1340224139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340224203.

It is not an unprimeable number, because it can be changed into a prime (1340224273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223370698 + ... + 223370703.

It is an arithmetic number, because the mean of its divisors is an integer number (446741402).

Almost surely, 2^1340224203 is an apocalyptic number.

1340224203 is a deficient number, since it is larger than the sum of its proper divisors (446741405).

1340224203 is an equidigital number, since it uses as much as digits as its factorization.

1340224203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446741404.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1340224203 is about 36609.0726869720. The cubic root of 1340224203 is about 1102.5352550673.

Adding to 1340224203 its reverse (3024220431), we get a palindrome (4364444634).

The spelling of 1340224203 in words is "one billion, three hundred forty million, two hundred twenty-four thousand, two hundred three".